diff --git a/requirements.txt b/requirements.txt
index 2271cbb..48a3247 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ astor==0.8.0
 attrs==19.1.0
 backcall==0.1.0
 bleach==3.1.0
-certifi==2019.9.11
+certifi==2022.12.7
 Click==7.0
 cloudpickle==1.2.1
 cycler==0.10.0